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dc.contributor.authorKulkarni, R.M.-
dc.contributor.authorMalladi, R.S.-
dc.contributor.authorHanagadakar, M.S.-
dc.contributor.authorDoddamani, M.-
dc.contributor.authorSanthakumari, B.-
dc.contributor.authorKulkarni, S.D.-
dc.identifier.citationJournal of Materials Science: Materials in Electronics, 2016, Vol.27, 12, pp.13065-13074en_US
dc.description.abstractPhoto-catalytic degradation of bromothymol blue (BTB) in an aqueous medium by Ru TiO2 using UVC (254 nm) irradiation was investigated for a pH range of 4.0 8.0. The liquid impregnation method was used to synthesize 0.2, 0.4 and 0.8 % ruthenium doped TiO2 (Ru TiO2) nanoparticles. The characterizations of resulting nanoparticles were done using X-ray diffraction, scanning electron microscopy, fourier transform infrared spectroscopy, transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy analysis. The crystallite sizes of doped and undoped nanoparticles were determined from X-ray diffraction spectra using Scherrer equation. The average crystallite size of undoped TiO2 was found to be 17.00 nm, whereas the crystallite sizes of 0.2, 0.4 and 0.8 % Ru TiO2 were 16.67, 15.70 and 14.40 nm respectively. The TEM images confirm the particle sizes to be 10 40 nm. Pseudo-first order rate constants (kobs) determined were found to decrease with increase in pH. The effect of BTB Concentration, catalyst dosage, a percentage of doping of photo catalyst, pH and UV light intensity of BTB on the degradation rate were also examined. 2016, Springer Science+Business Media New York.en_US
dc.titleRu TiO2 semiconducting nanoparticles for the photo-catalytic degradation of bromothymol blueen_US
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